Sheet metal processing of oxygen chamber bodies plays a vital role in the field of medical equipment.
Sheet metal processing can provide highly accurate components for oxygen chamber bodies, ensuring that the size and shape of parts meet strict tolerance requirements. This is crucial to the performance of oxygen chambers, because accurate dimensions can ensure the tightness and stability of oxygen chambers during operation.
In terms of safety, sheet metal processing of oxygen chamber bodies also plays a key role. Medical machinery is often exposed to corrosive substances such as medicines and disinfectants during use. Sheet metal processing can make the oxygen chamber body have good corrosion resistance and durability, ensuring the safety and reliability of the oxygen chamber during long-term use.
In addition, sheet metal processing of oxygen chamber bodies can also ensure the compatibility of oxygen chambers with internal sensors, circuit boards and other sensitive components to ensure the normal operation of the equipment. For example, through precise design and processing, interference between sheet metal and sensitive components can be avoided, and the overall performance and stability of the oxygen chamber can be improved.
In addition, medical equipment requires that the accuracy of sheet metal processing parts is usually controlled within a very small tolerance range to ensure the performance and safety of the equipment. At the same time, the durability of sheet metal processing also enables the oxygen chamber to operate stably in various complex medical environments, providing patients with safe and effective oxygen therapy services.
In short, sheet metal processing is also frequently used in the field of medical equipment. As a professional sheet metal manufacturing service provider, Mulan Group has undertaken multiple foreign trade processing orders for oxygen chambers from countries such as the United Kingdom and Germany. Our customers are very satisfied with the sheet metal processing process and the final product delivery. This also makes Mulan Group recognized in overseas sheet metal processing trade. Here, Mulan Group takes its own processing samples as an example to explain in detail the sheet metal processing details of the oxygen chamber body:
Diverse processing methods
1. Methods that facilitate transportation and assembly
The oxygen chamber body is assembled from multiple body assembly panels. This design greatly improves the convenience of transportation and assembly of the oxygen chamber. The body assembly panel includes a metal liner frame and a plastic outer panel. The plastic outer panel and the metal liner frame are formed into one piece, which not only makes the cabin more solid, but also effectively protects the metal liner frame. The part of the metal lining frame exposed outside the plastic outer panel constitutes an assembly flange, which is provided with a flange hole. Each cabin assembly plate is assembled and combined by flanges and bolts, and a sealing strip is provided between the flanges to form a seal, thereby ensuring the sealing of the oxygen cabin.
The outer contour of the oxygen cabin can be a cube or a cuboid assembled by cabin assembly plates. The cabin assembly plates include plane plates for constructing each face of the cube or the cuboid, horizontal folding panels for constructing each edge of the cube or the cuboid, and top corner panels for constructing each top corner of the cube or the cuboid, plane plates, horizontal folding panels, and top corner panels.
2. New lightweight method
The new lightweight oxygen cabin assembled by splicing and buckling aluminum honeycomb panels, frame profiles, etc. has many advantages. The wall panels, top panels, and bottom panels all include frame profiles, aluminum honeycomb panels, and gussets. The aluminum honeycomb panels are rectangular structures. Frame profiles are installed along the four sides of the aluminum honeycomb panels. The surfaces of the aluminum honeycomb panels and frame profiles are bonded by adhesive films and gussets. The frame profile includes a frame body, a frame groove and a frame hook. Adjacent frame profiles are buckled and connected by frame hooks. The edge of the buckle plate is bent and buckled with the frame groove. The frame profile and the buckle plate can also be riveted by rivets.
The door frame profile is a square structure, including an outer circle of door frame installation profiles and an inner circle of door frame connection profiles. The door body is fixed to the door frame installation profile by hinges. The door frame installation profile is buckled and connected with the frame hook of the adjacent frame profile or with the frame profile by the door frame hook. An installation groove is formed between the inner end of the door frame connection profile and the buckle plate. The installation groove is compatible with the Y-shaped sealing strip. The Y-shaped sealing strip is used to buffer the impact pressure of the door body and prevent noise caused by impact.
The frame profile is a fan-shaped aluminum profile, which is connected to the frame hook or door frame hook by buckling. A transition aluminum profile is set at the intersection of the frame profile. The transition aluminum profile is in the shape of a 1/8 sphere. The frame profile and the transition aluminum profile are fixedly connected by bolts. A light strip can also be set on the inside of the frame hook, door frame hook or frame hook, which is both beautiful and does not take up space. This design realizes the lightweight of the oxygen cabin, good sealing performance, convenient assembly and transportation, and high assembly efficiency.
3. Double-layer pressure-bearing structure
The patent for the double-layer pressure-bearing structure oxygen-enriched oxygen cabin obtained by Shanghai Shunhe Intelligent has brought new breakthroughs in the development of oxygen cabins. The oxygen cabin includes a sheet metal shell, a soft liner is embedded inside, a soft cabin door and a soft window are set on the front of the soft liner, a keel is set between the soft liner and the sheet metal shell, and PE soft reinforcement plates are installed on the six sides between the soft liner and the sheet metal shell. Using soft materials as the inner liner of the micro-hyperbaric oxygen-enriched chamber, a single-layer metal material is used outside the soft inner liner to design a small amount of structure to supplement the pressure-bearing level of the soft inner liner. Using a small amount of keels and honeycomb filling structures between the double-layer structures can effectively solve the problems encountered by the above-mentioned single-layer oxygen chamber in terms of cabin quality and pressure bearing, making it more suitable for ordinary civilian application scenarios and reducing the pressure of the oxygen-enriched chamber on the floor of the building per unit area.
Processing process
The processing technology of the hyperbaric oxygen chamber has multiple key steps, reflecting strictness, complexity and professionalism. The cabin design must strictly follow relevant standards and specifications to ensure structural strength, sealing and safety. This requires not only that the designer has deep professional knowledge, but also that the various factors of the hyperbaric oxygen chamber in different usage scenarios must be fully considered. Material selection is a key link, and performance requirements such as corrosion resistance, high temperature resistance and pressure resistance must be fully considered. For example, steel, as the main structural material, needs to have good strength, toughness and welding performance; sealing materials must ensure the sealing performance of the oxygen chamber and have good pressure resistance, corrosion resistance and aging resistance; electrical equipment materials are required to have good insulation performance and high temperature resistance. The welding process requires professional equipment and personnel to ensure the quality and airtightness of the weld, which is directly related to the safety of the oxygen chamber. Non-destructive testing is used to check the defects inside and outside the cabin to ensure product quality. Pressure testing is an important link to verify the pressure bearing capacity and safety of the cabin. By simulating the pressure environment in actual use, it is tested whether the cabin can withstand the required pressure. The entire processing process involves multiple disciplines, such as materials science, welding technology, non-destructive testing, etc. It is relatively complex and requires professional equipment, personnel and technical support, and has high professional quality requirements for practitioners. During the processing, it is necessary to pay attention to quality management and safety control to ensure that the final product meets the requirements of relevant standards and specifications.
Raw material selection and inspection
1. Steel:
The main structural material of the hyperbaric oxygen chamber is steel, and its quality directly affects the strength and stability of the cabin. When selecting a steel supplier, it is necessary to strictly verify the supplier’s business license, production license and other qualification documents to ensure that it has legal production and operation qualifications. At the same time, conduct an on-site assessment of the supplier’s quality management system to ensure that it complies with relevant laws and regulations and standards. In addition, it is necessary to verify the supplier’s production capacity, delivery date and other supply capabilities to ensure that it can provide the required raw materials on time and in quantity. When inspecting steel, an appearance inspection should be carried out to ensure that there are no defects such as cracks, bubbles, inclusions, etc. on the surface; a dimensional inspection should be carried out to ensure that it meets the design requirements; and performance tests, including mechanical properties, chemical properties, etc., should be carried out to ensure that it meets the use requirements. Finally, the supplier is required to provide qualified certification documents, such as quality certificates, inspection reports, etc.
2. Sealing materials:
Sealing materials are used to ensure the sealing performance of oxygen chambers, and their quality is crucial. Similarly, the qualification review of the sealing material supplier should be carried out, including the verification of qualification documents such as business licenses and production licenses, the on-site evaluation of the quality management system and the verification of supply capacity. When inspecting the sealing material, its pressure resistance, corrosion resistance and aging resistance should be checked. The appearance inspection should have no obvious defects and the size should meet the design requirements. Through performance testing, ensure that its sealing performance is good.
3. Electrical equipment materials:
Electrical equipment materials are used for electrical control systems in oxygen cabins, and are required to have good insulation and high temperature resistance. When selecting suppliers, qualification review and supply capacity assessment should also be carried out. Inspection of electrical equipment materials includes appearance inspection for damage, size inspection to see if it meets the requirements, and performance testing of its insulation and high temperature resistance.
Parts processing and assembly
1. Cabin manufacturing:
The cabin is made of high-quality steel or alloy materials, and undergoes precision machining, welding, heat treatment and other processes to ensure a firm structure and good sealing. First, prepare the site, clean up the site, prepare the required parts, tools and equipment, and ensure that the working environment is clean and orderly. Then, according to the requirements of the drawings, accurately assemble the various parts, including the cabin frame, wall panels, etc., to ensure that the overall structure meets the design requirements. After assembly, the cabin is strictly inspected to ensure that it meets the design requirements and relevant standards.
2. Door and window manufacturing:
Doors and windows are made of special materials with good pressure resistance and sealing performance. After precise size cutting, assembly and debugging are carried out to ensure close fit with the cabin. During the manufacturing process, the size and sealing performance of doors and windows should be strictly inspected.
Pipeline and valve manufacturing: Oxygen pipelines and valves are made of materials with good corrosion resistance and pressure resistance. After strict cleaning, assembly and testing, ensure safe and reliable oxygen delivery. The connection parts of the pipeline and valve should be inspected to ensure no leakage.
3. Assembly process monitoring:
Real-time monitoring and recording of key processes in the assembly process to ensure that the assembly quality and progress meet the requirements. For example, key processes such as the assembly of the cabin body and doors and windows, and the connection of pipelines and valves are strictly monitored.
4. Overall performance test:
After the assembly is completed, an overall performance test is carried out, including air tightness test, pressure resistance test, oxygen concentration test, etc., to ensure the safety and reliability of the hyperbaric oxygen chamber. The test results are recorded and analyzed in detail.
Welding process and non-destructive testing
5. Selection of welding method:
According to the material and thickness of the hyperbaric oxygen chamber, select a suitable welding method, such as manual arc welding, argon arc welding, submerged arc automatic welding, etc. Different welding methods are suitable for different situations and need to be selected according to actual needs.
6. Selection of welding materials:
Select welding materials that match the materials of the hyperbaric oxygen chamber to ensure that the performance of the welded joint meets the requirements. The quality of welding materials directly affects the strength, sealing and other properties of the welded joint.
Quality inspection:
1. Radiographic inspection:
Use X-rays or γ-rays to penetrate the weld to check whether there are defects inside the weld. This detection method can accurately detect the location and size of defects inside the weld.
2. Ultrasonic detection:
Use the propagation characteristics of ultrasonic waves in the weld to detect the location and size of defects inside the weld. Ultrasonic detection has high detection accuracy and efficiency.
3. Magnetic particle detection:
Use the aggregation effect of magnetic particles in the magnetic field to display defects such as cracks on the weld surface. Suitable for detecting defects on the weld surface.
4. Penetrant detection:
Use penetrant liquid to penetrate the open defects on the weld surface, and then use the developer to display the defect morphology. It can detect tiny defects on the weld surface.
5. Appearance inspection:
The weld surface should be flat and smooth, without defects such as cracks, pores, and slag inclusions. Conduct a strict visual inspection of the welded joints to ensure that the quality of the welds meets the requirements.
6. Mechanical performance test:
Conduct mechanical performance tests on the welded joints, such as tensile test, bending test, etc., to verify whether the performance of the welded joints meets the requirements. Through mechanical performance tests, ensure that the welded joints have sufficient strength and toughness.
7. Metallographic inspection:
Conduct metallographic inspection on the welded joints and observe their microstructure to evaluate the quality of the welded joints. Metallographic inspection can provide an in-depth understanding of the internal structure and performance of the welded joints.
Overall assembly and commissioning
1. Component assembly:
Assemble each component according to the assembly drawings, including the cabin, door, observation window, seat, oxygen system, etc. During the assembly process, strictly follow the requirements of the drawings to ensure that the installation positions of each component are accurate.
2. Final inspection:
Conduct a final inspection before the hyperbaric oxygen chamber leaves the factory, review and confirm various performance indicators, and ensure that the product meets relevant standards and customer requirements. Strictly test the key performance indicators of the oxygen chamber, such as sealing, pressure resistance, and oxygen concentration, to ensure reliable product quality.
In short, sheet metal processing of oxygen chamber cabins is very important in the medical industry. The above is a detailed introduction of Mulan Group on sheet metal processing of oxygen chamber cabins. Of course, we currently only provide trade sheet metal processing services. If you need oxygen chamber sheet metal products, please contact us.
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